Half to joseph muller



NlTED STATES ATENT FFICE.

GEORGE F. PABST, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONE- ll'ALF 'lO JOSEPH MULLER, OF SAME PLACE.

SOLDER.

SPECIFICATION forming part of Letters Patent No. 448,161, dated March 10, 1891. Application filed December 1, 1890. Serial No. 373,221. (N0 specimens.)

T0 (0Z6 whom it may concern.- The proportions may be varied as desired. Be itknoWn that l, GEORGE F. PABST, a citi- In using the solder I employ as a fluid or zen of the United States, residing inihe city flux, a composition of petroleum, ammonia,

and county of Philadelphia, State of Pennand sulphuric ether; butto this I do not limit 5 sylvania, have invented a new and useful Immyself. 20 provement in Solder, which improvement is Having thus described my invention, What fully set forth in the following specification. I claim as new, and desire to secure by Let- My invention consists of a solder more esters Patent, is-

pecially designed for uniting metals partlyor Solder composed of aluminum, zinc, and i0 entirely composed of aluminum. tin, substantially as described.

In carrying out the invention to make one form of solder I take two ounces aluminum, eight ounces zinc, and six ounces tin. These Witnesses: are molten together and run into bars or JOHN A. W'IEDERSHEIM,

I5 pieces of any desired shape. A. P. JENNINGS.

GEORGE F. PABST. 

